ATC SCS70 Pro Active 12″ Studio Subwoofer


CS70 Pro

Introducing the new SCS70 Pro and SCS70iW Pro 12” Active Subwoofers. The perfect partners to ATC’s renowned range of studio monitors.

SCS70 Pro

12”/300mm professional active subwoofer


The ATC SCS70 Pro is a 12”/300mm active subwoofer, designed to deliver the exceptional levels of performance required by audio and music professionals and integral to partnering with ATCs range of active monitors.  It’s performance and features make it ideally suited to stereo, multi-channel surround and immersive audio formats such as Dolby Atmos.

Key Features

  • ATC hand-built high-excursion 12”/300mm SS75-314SC subwoofer driver.
  • Exceptional balance of high SPL capability, low cut-off and low distortion.
  • ATC discrete MOSFET class AB power amplifier.
  • Stereo balanced inputs & stereo ‘Link’ balanced outputs.
  • Level, Low-Pass Frequency & Phase user controls.
  • Remote muting via footswitch*.
  • Hand-built in England and covered by a 6 year warranty.

*Footswitch supplied separately, latching type, ¼”/6.35mm jack connection.

Acoustic Specifications

Drive Unit – Bass: 1 x SS75-314SC 8Ω.Ω
Low Frequency Cut-off: 22Hz (-6dB, half space, low pass filter set at 80Hz).
Low Pass Filters: 50Hz, 65Hz, 80Hz, 320Hz. (-6dB, 4th order Linkwitz Riley).
MaxSPL: 110dB continuous, 116dB peak (IEC Weighted Pink Noise, 1m, half space, low pass filter @ 80Hz).
Sensitivity: +4dBu ref 88dBC (single channel driven, Gain +6dB, Level 0dB, pink noise, low pass filter @ 80Hz).

Electronic Specifications

Amplifier type: Grounded Source MOSFET based Class A-B, convection cooled.
Output Power: 300W into 8Ω.
THD+N: <0.003%/-90dB, at 100Hz, 300W into 8Ω over 90kHz bandwidth.
Balanced Inputs: 2 x Rear Panel Mounted Female XLR, pin 2 hot.
Balanced Outputs: 2 x Rear Panel Mounted Male XLR, pin 2 hot.
Frequency Response: <2Hz (-3dB) – 320Hz (-6dB, set by panel-controlled LP filter).
Gain Control: 0, +6dB, +10dB.
Level Control: 0dB -11dB in 1dB steps. Total range 21dB with use of Gain switch.
Phase Control: 0-180° ref. Input.
Polarity Control: In-phase/Out-of-phase ref. Input.
Power Consumption: Idle 8W/14VA. 1/8th Power 170W/230VA. Full Power 500W/600VA.
Additional: Mute via ¼”/ 6.35mm Jack socket, controlled via latching footswitch (supplied separately)

Physical Specifications

Dimensions: (H x W x D): 568 x 464 x 500mm / 22 5/16 x 18 1/4 x 19 11/16 inches (heatsink protrudes a further 40mm / 1 9/16 inches from rear). See data sheet for a detailed drawing.
Net Weight: 44kg / 97lbs.

Additional information

Weight 44 kg
Dimensions 50 × 46.4 × 56.8 cm


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